Home / 4,266.42-6,389.31-3,530.58

Finding the Fourth Proportional to 4,266.42, 6,389.31 and 3,530.58

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Solution

The fourth proportional to 4,266.42, 6,389.31 and 3,530.58 is: 5,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.42 : 6,389.31 = 3,530.58 : x
  2. Step 2: Convert to fraction form
    4,266.42/6,389.31 = 3,530.58/x
  3. Step 3: Cross multiply
    4,266.42x = 6,389.31 × 3,530.58
  4. Step 4: Simplify right side
    4,266.42x = 22,557,970.10
  5. Step 5: Solve for x
    x = 22,557,970.10/4,266.42
  6. Step 6: Final answer
    x = 5,287.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.